Passive cooling element



FIG. 1 is a top perspective of a first embodiment for a passive coolingelement in accord with the present disclosure; in FIG. 1 phantom linesindicating portions not specifically forming part of the claimedembodiment and solid lines indicating surfaces of a heat dissipatingmember;

FIG. 2 is a front elevational view of the passive cooling element ofFIG. 1, an opposite bottom view being devoid of ornamentation;

FIG. 3 is a first side perspective view of the passive cooling elementof FIG. 1; a second, opposite, view being substantially a mirror image;

FIG. 4 is a top elevational view of the passive cooling element of FIG.1; and

FIG. 5 is a bottom elevational view of the passive cooling element ofFIG. 1;

FIG. 6 is a bottom elevational view of a second embodiment of thepassive cooling element of FIG. 1 illustrating a straight outward-edgedfin;

FIG. 7 is a bottom elevational view of a third embodiment of the passivecooling element of FIG. 1 illustrating a rectangular fin interruption;.

FIG. 8 is a bottom elevational view of a fourth embodiment of thepassive cooling element of FIG. 1 illustrating a straight side-edgedfin; and,

FIG. 9 is a bottom elevational view of a fifth embodiment of the passivecooling element of FIG. 1 illustrating additional fin interruptions.

The broken lines defining portions of the passive cooling element arefor illustrative purposes only and form no part of the claimed design.

The ornamental design for a passive cooling element, as shown anddescribed.